Dictionary of Material Science and High Energy Physics Part 4 ppsx

Dictionary of Material Science and High Energy Physics Part 4 ppsx

Dictionary of Material Science and High Energy Physics Part 4 ppsx

... shift). energy spectrum The set of energy eigen- states of a physical system. The set of possible outcomes of a measurement of the energy; also known as the set of allowed energies. energy- time ... closely spaced points and not on the path between them. exchange energy Part of the energy of a system of many electrons (or any other type of fermion) that depen...

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Dictionary of Material Science and High Energy Physics Part 11 ppsx

Dictionary of Material Science and High Energy Physics Part 11 ppsx

... pictures similar to those of constituent particles. Landau’s theory of liq- uid 4 He postulated quasi-particles of phonons and rotons, which carry energy and momentum. Phonons of a lattice vibration ... kinetic energy of a particle and produces a signal that is proportional to the ab- sorbed energy. The system of deposition of en- ergy depends on the kind of detec...

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Dictionary of Material Science and High Energy Physics Part 1 pdf

Dictionary of Material Science and High Energy Physics Part 1 pdf

... VOLUMES Dictionary of Pure and Applied Physics Dipak Basu Dictionary of Material Science and High Energy Physics Dipak Basu Dictionary of Geophysics, Astrophysics, and Astronomy Richard A. Matzner © 2001 by ... other two being Dictionary of Pure and Applied Physics and Dictionary ofGeophysics, Astrophysics,andAstronomy. Each of these three dictionar...

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Dictionary of Material Science and High Energy Physics Part 2 pptx

Dictionary of Material Science and High Energy Physics Part 2 pptx

... theorem is of great value in understanding magnetic ions in crystals. degeneracy, lifting of, or removal of Slight inequality of energy of a group of quantum states due to the presence of a perturbation, ... temperature of 1 gm. of water at 1 atmosphere pressure from 14. 5 to 15.5 C. It is related to the unit of energy in the standard international system of units, t...

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Dictionary of Material Science and High Energy Physics Part 3 potx

Dictionary of Material Science and High Energy Physics Part 3 potx

... conservation of energy and momentum. density of modes The number of modes of the radiation field in an energy range dE. The density of modes is a function of the boundary conditions ofthe spaceunder ... represents a degree of freedom of the distribution. (2) The number of independent coordinates needed for the description of the microscopic state of a system is call...

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Dictionary of Material Science and High Energy Physics Part 5 pps

Dictionary of Material Science and High Energy Physics Part 5 pps

... the number of particles in a state of energy E s . grand unification Physics attempts to ex- plain natural phenomenon in terms of a set of fundamental axioms. It is the general goal of physics to ... wave- length, g 1 and g 2 are degeneracies of lower and excited states, N 1 and N 2 are the number of atoms in the lower and excited states, ν and ν o are field and...

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Dictionary of Material Science and High Energy Physics Part 6 docx

Dictionary of Material Science and High Energy Physics Part 6 docx

... are made of heterojunctions. A het- erojunction is made of layers of two different types of materials which are doped by p and n types of atoms. For example, layers of n and p type GaAs and AlGaAs ... exists. impurity band An energy level caused by the presence of impurity atoms. incident energy The energy of the incoming particle in a collision process. incident fl...

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Dictionary of Material Science and High Energy Physics Part 7 pot

Dictionary of Material Science and High Energy Physics Part 7 pot

... in a flow field. kinetic energy A form of energy associated with motion. Every moving particle has kinetic energy. The kinetic energy of a non-relativistic particle with mass m and speed v is equal ... = m 1 m 2 m 1 +m 2 is the reduced mass for particles of mass m 1 and m 2 , and r = r 1 − r 2 are the relative position vectors of particles 1 and 2. Suitable sets of cent...

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Dictionary of Material Science and High Energy Physics Part 8 pps

Dictionary of Material Science and High Energy Physics Part 8 pps

... + u = m 2 1 +m 2 2 + m 2 3 + m 2 4 , where m 1 , and m 2 are the rest masses of the in- coming particles, and m 3 , and m 4 are the rest masses of the outgoing particles. These vari- ables are ... descriptionof the distributionof speeds present in a collection ofgasmolecules. A com- bination ofthe statisticalargumentsproposed by James Clerk Maxwell (1831–1879) and Ludwig Boltz...

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Dictionary of Material Science and High Energy Physics Part 9 pptx

Dictionary of Material Science and High Energy Physics Part 9 pptx

... plane of polarization of incoming light. The molecules of these materials (crystals and com- pounds) have asymmetric molecular structures. Themoleculescanexistinleft-andright-handed forms. Particular ... j 2 + j 3 + j 4 . The nine-j symbols are defined by    j 1 j 2 J 12 j 3 j 4 J 34 J 13 J 24 J    =  J 1 j 2  J 12 ,  j 3 j 4  J 34 ,JM|  j 1 j 3  J 13 ,  j 2 j...

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